Hi guys,

Thanks for your replies ! "it depends on what I need", and usually I reply
"I don't know !"... except:

  - cheap
  - small (a big fat analog oscilloscope really isn't an option for me, I
just don't have room for this, but thanks a lot Vasile)
  - easy to use, just turn power on. I don't like USB oscilloscope, they
work under windows (not Linux) and always require to a laptop near

Now the real thing I don't know is how much MS/sec I need. For instance, one
usage was observing power spikes. I needed this on a circuit, a friend
helped me debug this, I really couldn't have fixed this without a
oscilloscope. Highly frustrating. This is a typical usage for me. I would
also need to see digital signals, like i2c, maybe serial,... well, I don't
know, but I feel this is for a very basic usage ? I also think by using an
oscilloscope I would better be able to understand what's going on behind the
scene, visually. The fact is I'm a software guy, not an hardware guy, and
probably won't ask myself very complex things (most complex thing for me
remains Ohm law :)).

>From what you say, Mike, this 1MS/sec DSO isn't good, not serious because
too low right (far above 5MHz) ? Here are some I had a look at the beginning
of this topic, if you have any advices...:

  - http://www.owon.co.uk/pdsSeries.asp : PDS5022S and PDS6042S are
affordable I think
  - http://www.rigolna.com/products_ds1000.aspx : same for DS1022C and
maybe DS1042C. What is interesting is you can buy separately a logic
analyzer module. If needed...


Cheers,
Seb

PS: reading this thread, I can see I said "About crossplatform GUI toolkit
[...] you can
use wxpython (I don't like this too much)". Ah ah, Jaluinoide is built over
Editra using wxPython, and I now like it quite much :)




2010/3/5 vasile surducan <[email protected]>

> If you need a real analogic scope ( a russian one) I can send you one, even
> a french one will be less expensive than the postage....
>
> Vasile
>
>
> On Fri, Mar 5, 2010 at 7:41 AM, vasile surducan <[email protected]>wrote:
>
>> NO!
>>
>>
>> On Fri, Mar 5, 2010 at 6:23 AM, Sebastien Lelong <
>> [email protected]> wrote:
>>
>>> Hi guys,
>>>
>>> Un-burying this topic, with a pocket DSO from seeedstudio.com:
>>>
>>>
>>> http://www.seeedstudio.com/depot/micro-digital-storage-oscilloscopedso-nano-p-512.html
>>>
>>> Only one channel, analog bandwidth 0 - 1MHz, max sample rate 1Msps
>>> 12Bits, but tiny, and not expensive.
>>>
>>> What do you guys think ? Sounds reasonable ?
>>>
>>>
>>> Cheers,
>>> Seb
>>>
>>>
>>>
>>>
>>> 2009/1/16 Joep Suijs <[email protected]>
>>>
>>>> Hi Seb,
>>>>
>>>> The schematics is on the polish site. Enclosed a PDF.
>>>>
>>>> - I used an atmel324 - pin names are the same, numbers are different.
>>>> - I intend to 'upgrade' the design to support pre-sampling and 128k
>>>> storage (in stead of 32k) and run at 20 MHz. This means the circuit
>>>> around the 7400 and 4040's will change a bit and there will be a stack
>>>> of 4 memory chips - with a decoder on top - on my board.
>>>> (waiting for the memory to arrive - bought them for just over 10 euro
>>>> including shipping at ebay).
>>>>
>>>> Joep
>>>>
>>>>
>>>> 2009/1/16 Sebastien Lelong <[email protected]>:
>>>> > Ho Joep,
>>>> >
>>>> > Looks nice ! Waiting for schematics !
>>>> >
>>>> >
>>>> > Seb
>>>> >
>>>> > 2009/1/16 Joep Suijs <[email protected]>
>>>> >>
>>>> >> Hi Guys,
>>>> >>
>>>> >> As mentioned before, we're working on a logic analyser. Hardware is
>>>> >> atmel-based, programmed in c and pc program is c#. So it is off-topic
>>>> >> ;)
>>>> >>
>>>> >> There has been quite some progress on the C# program and we almost
>>>> >> duplicated the functions of the original program. See
>>>> >> http://code.google.com/p/protocolviewer/ for more info.
>>>> >>
>>>> >> Joep
>>>> >>
>>>> >>
>>>> >
>>>> >
>>>> >
>>>> > --
>>>> > Sébastien Lelong
>>>> > http://www.sirloon.net
>>>> > http://sirbot.org
>>>> >
>>>> > >
>>>> >
>>>>
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>>>>
>>>
>>>
>>> --
>>> Sébastien Lelong
>>> http://www.sirloon.net
>>> http://sirbot.org
>>>
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>>
>>
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-- 
Sébastien Lelong
http://www.sirloon.net
http://sirbot.org

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